forked from OSchip/llvm-project
41 lines
761 B
C
41 lines
761 B
C
/*
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* Copyright 2016 Sven Verdoolaege
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*
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* Use of this software is governed by the MIT license
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*
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* Written by Sven Verdoolaege
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*/
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#include <isl_multi_macro.h>
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/* Compare two multi expressions.
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*
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* Return -1 if "multi1" is "smaller" than "multi2", 1 if "multi1" is "greater"
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* than "multi2" and 0 if they are equal.
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*/
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int FN(MULTI(BASE),plain_cmp)(__isl_keep MULTI(BASE) *multi1,
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__isl_keep MULTI(BASE) *multi2)
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{
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int i;
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int cmp;
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if (multi1 == multi2)
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return 0;
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if (!multi1)
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return -1;
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if (!multi2)
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return 1;
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cmp = isl_space_cmp(multi1->space, multi2->space);
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if (cmp != 0)
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return cmp;
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for (i = 0; i < multi1->n; ++i) {
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cmp = FN(EL,plain_cmp)(multi1->u.p[i], multi2->u.p[i]);
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if (cmp != 0)
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return cmp;
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}
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return 0;
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}
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